Use the original charger and battery to maintain optimal battery performance over the life of your device.
Insert the microUSB end of the microUSB cable into the microUSB port at the base of the device.
Plug the Charger into a wall outlet. If necessary, connect the USB cable to the charger.
Alternatively, you can insert the USB end of the cable into a computer to charge. Note:Your device charges quicker using a power outlet than when connected to a laptop or other power source.
When the phone is charging, the Charging icon will be displayed in the Notification bar. Note: Length of time for first and subsequent charge is approximately 2 hours.
When the phone is fully charged, the Fully charged icon will be displayed in the Notification bar.
 This phone’s maximum talk time is 15.68 hours and standby time is 19.88 days.
To learn more about your charging your battery, from a computer, download the user manual at www.att.com/devicehowto. Note:For information about extending your battery performance, see the ‘Battery life’ tutorial.